Add 18/60 and 28/80
18/60 + 28/80 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
18/60 = 18 × 4/60 × 4 = 72/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Add the two like fractions:
72/240 + 84/240 = 72 + 84/240 = 156/240 - 156/240 simplified gives 13/20
- So, 18/60 + 28/80 = 13/20
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